The first year Eleanor organized a fund-raising event, she invited 30 people. For each of the next 5 years, she
invited double the number of people she had invited
the previous year. If f(n) is the number of people
invited to the fund-raiser n years after Eleanor began
organizing the event, which of the following
statements best describes the functionſ?
A) 'The functionſ is a decreasing linear function.
B) 'The functionſ is an increasing linear function.
C) 'The function f is a decreasing exponential
function.
D) The functionſ is an increasing exponential
function